JPS61179039U

JPS61179039U -

Info

Publication number: JPS61179039U
Application number: JP1985063747U
Authority: JP
Priority date: 1985-04-27
Filing date: 1985-04-27
Publication date: 1986-11-08

Description

[Brief explanation of the drawing]

第１図〜第５図は本考案車両用座席装置におけ
る各実施例の説明図で、第１図は本考案の第１実
施例における外観斜視図、第２図は第１における
要部の部分断面図、第３図は第２図における要部
の状動状態を示す部分断面図、第４図は本考案要
部の第２実施例を示す部分断面図、第５図は本考
案要部の第３実施例を示す部分断面図、第６図は
従来の車両用座席装置の構造を示す側面図である
。１……座席部、２……背もたれ部、１２……第
１腿サポート部、１３……第２腿サポート部、３
……抑制弁、３ａ……支点、１５……第１バネ、
１６……第２バネ、３１……中間係止部、１７…
…第１ピストン、１８……第２ピストス、３２…
…揺動ビーム、１９，２０……シリンダ。 1 to 5 are explanatory diagrams of each embodiment of the vehicle seat device of the present invention. FIG. 1 is an external perspective view of the first embodiment of the present invention, and FIG. 2 is a main part of the first embodiment. 3 is a partial sectional view showing the state of the main part in FIG. 2, FIG. 4 is a partial sectional view showing the second embodiment of the main part of the present invention, and FIG. 5 is a partial sectional view showing the main part of the present invention FIG. 6 is a side view showing the structure of a conventional vehicle seat device. DESCRIPTION OF SYMBOLS 1... Seat part, 2... Backrest part, 12... First thigh support part, 13... Second thigh support part, 3
... Suppression valve, 3a ... Fulcrum, 15 ... First spring,
16...Second spring, 31...Intermediate locking portion, 17...
...First piston, 18...Second piston, 32...
...Swinging beam, 19,20...Cylinder.

Claims

[Claims for Utility Model Registration] (1) Consisting of a seat part and a backrest part, the seat part has a base part where the buttocks of the seated person are mainly located, and a front part of the base part where the left and right thighs are mainly located. A first thigh support part and a second thigh support part are arranged side by side and are supported so as to be able to swing downward at their tips, and the first thigh support part and the second thigh support part are urged upward. The tip of the first thigh support part and the second thigh support part swings downward in response to the downward movement of the lower part of the seated person. A vehicle seat device that makes this possible. (2) There is a space between the first thigh support part and the second thigh support part so that when one of the first thigh support part and the second thigh support part swings downward, the other swings downward. A vehicle seat device according to claim 1 of the utility model registration claim, which has a suppression valve for suppressing the suppression. (3) The suppression valve includes a first pressing part held by the first thigh support part, a second pressing part held by the second thigh support part, and a second pressing part pressed by the first and second pressing parts, respectively. and an intermediate locking portion that moves below the first pressing portion and stops the pressing portion above the moved position from swinging downward. The vehicle according to claim 2 of the utility model registration claim. seat equipment. (4) The suppression valve includes a first piston that is pushed down by the first thigh support part, a second piston that is pushed down by the second thigh support part, and a cylinder part on which the first piston and the second piston slide. The vehicle seat device according to claim 2, which comprises pressure receiving portions connected to each other and having pressure receiving portions at both ends thereof. (5) The suppression valve consists of a see-saw mechanism with a swinging beam that is swingably held in the center, and the first and second
2. The vehicle seat device according to claim 2, wherein when one end of the swinging beam is pushed down on one of the thigh support parts, the other swinging beam is biased upward.